From: Ilpo Järvinen Date: Mon, 6 Jun 2022 10:04:08 +0000 (+0300) Subject: serial: 8250_pci: Fill in rs485_supported for pci_fintek X-Git-Tag: v6.0-rc1~64^2~120 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=456d523b1be3a0a0c3498fce55b32fc205fac7e1;p=linux-block.git serial: 8250_pci: Fill in rs485_supported for pci_fintek Add information on supported serial_rs485 features. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20220606100433.13793-12-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index fb0a49e39072..a76254031bc2 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1597,6 +1597,11 @@ static int pci_fintek_rs485_config(struct uart_port *port, return 0; } +static const struct serial_rs485 pci_fintek_rs485_supported = { + .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND, + /* F81504/508/512 does not support RTS delay before or after send */ +}; + static int pci_fintek_setup(struct serial_private *priv, const struct pciserial_board *board, struct uart_8250_port *port, int idx) @@ -1616,6 +1621,7 @@ static int pci_fintek_setup(struct serial_private *priv, port->port.iotype = UPIO_PORT; port->port.iobase = iobase; port->port.rs485_config = pci_fintek_rs485_config; + port->port.rs485_supported = &pci_fintek_rs485_supported; data = devm_kzalloc(&pdev->dev, sizeof(u8), GFP_KERNEL); if (!data)